Python ProgrammingMediumHigh School (11–12)High School (9–10)UndergraduateGeneralPython for Science and Maths › Trigonometry and Waves by Computer
Created by StemPy LabA string 2.1 m long, fixed at both ends, vibrates with a wavelength of 0.70 m. What does this code print for its harmonic number? print(round(2 * 2.1 / 0.70))
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← Two speakers play 130 Hz and 134 Hz together for 2.5 s. What does this code print for the number of beats? f1, f2, T = 130, 134, 2.5; print(abs(f2 - f1) * T)A fit returns a table of squared errors. What does this code print for the errors? import numpy as np; pcov = np.array([[0.0049, 0], [0, 0.0081]]); print(np.sqrt(np.diag(pcov))) →
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